2021 Mazda Mazda3

2.0 e SKYACTIV-G Mhev GT Sport Tech Manual FWD Euro 6 (s/s) 5dr (120 bhp)

£16,995

Fair price: within 8% of the typical £16,625 for this model, age and mileage, drawing on 1,247 adverts of this make and model.

Overview

Make: Mazda
Model: Mazda3
Trim: GT SPORT TECH
Version: 2.0 e SKYACTIV-G Mhev GT Sport Tech Manual FWD Euro 6 (s/s) 5dr (120 bhp)
Mileage: 10,205 miles
Year: 2021
Fuel type: Petrol
Body type: Hatchback
Engine: 2.0 L
Gearbox: Manual
Power: 120 bhp
Seats: 5
CO2: 127 g/km
Colour: Red
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: e-SKYACTIV-G; MHEV
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

This 2021 Mazda Mazda3 GT Sport Tech is advertised with 10,205 miles, approximately 24,700 below the typical mileage for its age. Our estimated market asking price is £16,625. This car is advertised at £16,995, which is £370 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 1,247 Mazda Mazda3 cars across different ages and specifications. Since we first spotted the advert 18 days ago, the asking price has dropped by £300. MOT records show an expiry date of 12 April 2027, and the latest recorded mileage is consistent with the advert. The seller is EMG Motor Group Cambridge Mazda, based in Cambridge.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 October 2026, 18 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £300 from the first recorded £17,295. 1 price reduction recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observed	Asking price
2 October 2026	£17,295
19 October 2026	£16,995

Price and mileage comparison

Estimated market asking price: £16,625. The asking price is £370 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,247 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 24,700 miles lower than typical for a 2021 Mazda Mazda3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 April 2027. 9,794 miles at the last test.

7 other cars with the same year, trim, gearbox and fuel are for sale from £11,250 to £16,500.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£11,250	84,634 miles
£14,590	40,886 miles
£14,900	21,928 miles
£15,295	32,327 miles
£15,295	35,604 miles

These cars have covered 21,928–84,634 miles, compared with 10,205 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mazda Mazda3 cars for sale · 2021 Mazda Mazda3 price guide

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Dealer

EMG Motor Group Cambridge Mazda, Cambridge. Across the dealer network: 18 branches, 712 cars for sale.

Dealer postcode: CB4 1SR.